support ed25519 keys with leap_cli
Since the release of Net::SSH in February 2017 we now have a stable implementation that supports ssh-ed25519. I can add an (extra) key for a user in provider/users/name/alice_ssh.pub, this will get deployed and works fine. A little bit of work needs to be done on lib/leap_cli/ssh/key.rb for when people use the leap user add commands.
For ed25519 public key auth support your bundle file should contain “